Color

#304178

#304178
hex#304178
rgbrgb(48, 65, 120)
hslhsl(226, 43%, 33%)
oklchoklch(0.39 0.096 268.8)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0577

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#786730

#306578 · #433078

#783041 · #417830

Split-complementary

Open in tool →

#784330 · #657830

#783065 · #786730 · #307843

Contrast

#304178 as textRatioAAAA largeAAAFix
Aaon white
9.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #5b72be as the text (4.6:1)
  • AAA: use #8394ce as the text (7.09:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #304178 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#304178 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #304178
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #304178 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/304178-9ca1c4-df774e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md